. Fig. 30. Bacterium tuber- culosis. *To accomplish this necessitates a very special and careful proce- dure. Dr. Theobald Smith, of Harvard University (Jour of Exp. Med., Vol. III., 1898, p. 451), has the credit of formulating a method by com- bining details in such a manner that the procuring of cultures is, in most cases, possible. Dog serum is used. The method, as he gives it, is as follows : " The dog was bled under chloroform and the blood drawn from a femoral artery, under aseptic conditions, through sterile tubes directly into sterile flasks. The serum was drawn from the clots wit
. Fig. 30. Bacterium tuber- culosis. *To accomplish this necessitates a very special and careful proce- dure. Dr. Theobald Smith, of Harvard University (Jour of Exp. Med., Vol. III., 1898, p. 451), has the credit of formulating a method by com- bining details in such a manner that the procuring of cultures is, in most cases, possible. Dog serum is used. The method, as he gives it, is as follows : " The dog was bled under chloroform and the blood drawn from a femoral artery, under aseptic conditions, through sterile tubes directly into sterile flasks. The serum was drawn from the clots with sterile pipettes and either distributed at once into tubes or else stored with
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